Lookin to convert a '93 40hp outboard to a jet. Iknow they make converion kits, but I was told you could pull the parts from junk yard jet skis. Sounded a bit far fetched to me. Any suggestions?
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Not the same - jet skis are inline jets, outboard jets are basically centrifugal pumps -
the ONLY seller for pump conversions in Outboard Jets.com - they hold the patent and never licensed it to anyone, they are in San Leandro California -
An inline jet is 85% efficient, and outboard pump is 70% efficient
So for any jet to get the same prop horsepower as an outboard, you hsve to increase horsepower
If you put a pump on a 40HP outboard your actual pump output will be 28 horsepower. Quite a drop in speed
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